Numbers:
Original system, $30/mo for natural gas, $170/mo electricity
Current system, $45/mo for natural gas, $80/mo electricity
1300 sq ft three-story wood frame townhouse. System cost $23k, got $9k in rebates. Entire new physical plant, and now have whole-house AC. Vast improvement in liveability, and never have to wait for the hot water tank to refill.
Original system, $30/mo for natural gas, $170/mo electricity
Current system, $45/mo for natural gas, $80/mo electricity
1300 sq ft three-story wood frame townhouse. System cost $23k, got $9k in rebates. Entire new physical plant, and now have whole-house AC. Vast improvement in liveability, and never have to wait for the hot water tank to refill.